Mm 1/4x4 Mas Drill Bit

Master Mechanic, 1/4" x 4", Masonry, Drill Bit, Straight Shank, Positive Point Angle Permits Quick, Accurate Penetration, Zinc Surface Finish, Recommended For Drilling Cinder Block, Common Brick, Plaster & Ceramic Tile & For Moderate Use In Hard Brick, Glazed Tile & Dry Concrete, Carded.